ASTM D2172

All of these test methods can be used for quantitative determinations of bitumen in hot-mixed paving mixtures and pavement samples for specification acceptance, service evaluation, control, and research. Each method prescribes the solvent or solvents and any other reagents that can be used in the test method. Test Method D 1856 requires that Method A be used when asphalt is recovered from solution.

1. Scope

1.1 These test methods cover the quantitative determination of bitumen in hot-mixed paving mixtures and pavement samples. Aggregate obtained by these test methods may be used for sieve analysis using Test Method C 117 and Test Method C 136.

1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazards are given in Section 7.

Note 1—The results obtained by these test methods may be affected by the age of the material tested, with older samples tending to yield slightly lower bitumen content. Best quantitative results are obtained when the test is made on mixtures and pavements shortly after their preparation. It is difficult to remove all the asphalt when some aggregates are used and some chlorides may remain within the mineral matter affecting the measured asphalt content.

2. Referenced Documents

ASTM Standards
C117 Test Method for Materials Finer than 75-m (No. 200) Sieve in Mineral Aggregates by Washing
C128 Test Method for Density, Relative Density (Specific Gravity), and Absorption of Fine Aggregate
C136 Test Method for Sieve Analysis of Fine and Coarse Aggregates
C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials
D1461 Test Method for Moisture or Volatile Distillates in Bituminous Paving Mixtures
D1856 Test Method for Recovery of Asphalt from Solution by Abson Method
D2111 Test Methods for Specific Gravity and Density of Halogenated Organic Solvents and Their Admixtures
D6368 Specification for Vapor-Degreasing Grade and General Grade normal-Propyl Bromide
D70 Test Method for Specific Gravity and Density of Semi-Solid Bituminous Materials (Pycnometer Method)
D979 Practice for Sampling Bituminous Paving Mixtures
Federal Specifications
O-T-634 (latest) normal Propyl Bromide, Technical

Index Terms

bitumen content; quantitative extraction of bitumen from (hot-mixed) bituminous paving; mixtures/pavement samples; bituminous paving mixtures; quantitative extraction of bitumen from (hot-mixed) bituminous paving; mixtures/pavement samples; ICS Number Code 91.100.50 (Binders. Sealing materials); 93.080.20 (Road construction materials)

Citing ASTM Standards

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